/**
 * plugin.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2015 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/*global tinymce:true */

tinymce.PluginManager.add('save', function (editor) {
    function save() {
        var formObj;

        formObj = tinymce.DOM.getParent(editor.id, 'form');

        if (editor.getParam("save_enablewhendirty", true) && !editor.isDirty()) {
            return;
        }

        tinymce.triggerSave();

        // Use callback instead
        if (editor.getParam("save_onsavecallback")) {
            editor.execCallback('save_onsavecallback', editor);
            editor.nodeChanged();
            return;
        }

        if (formObj) {
            editor.setDirty(false);

            if (!formObj.onsubmit || formObj.onsubmit()) {
                if (typeof formObj.submit == "function") {
                    formObj.submit();
                } else {
                    displayErrorMessage(editor.translate("Error: Form submit field collision."));
                }
            }

            editor.nodeChanged();
        } else {
            displayErrorMessage(editor.translate("Error: No form element found."));
        }
    }

    function displayErrorMessage(message) {
        editor.notificationManager.open({
            text: message,
            type: 'error'
        });
    }

    function cancel() {
        var h = tinymce.trim(editor.startContent);

        // Use callback instead
        if (editor.getParam("save_oncancelcallback")) {
            editor.execCallback('save_oncancelcallback', editor);
            return;
        }

        editor.setContent(h);
        editor.undoManager.clear();
        editor.nodeChanged();
    }

    function stateToggle() {
        var self = this;

        editor.on('nodeChange dirty', function () {
            self.disabled(editor.getParam("save_enablewhendirty", true) && !editor.isDirty());
        });
    }

    editor.addCommand('mceSave', save);
    editor.addCommand('mceCancel', cancel);

    editor.addButton('save', {
        icon: 'save',
        text: 'Save',
        cmd: 'mceSave',
        disabled: true,
        onPostRender: stateToggle
    });

    editor.addButton('cancel', {
        text: 'Cancel',
        icon: false,
        cmd: 'mceCancel',
        disabled: true,
        onPostRender: stateToggle
    });

    editor.addShortcut('Meta+S', '', 'mceSave');
});
